Construction Building Envelope and Interior Finishes Databook

1.7.0: Recommended Slumps

1.7.0 Recommended Slumps

The Portland Cement Association recommends the following slumps:

Component Max. slump (inches Min. slump (inches)

Footings (reinforced or not)

3

1

Foundation walls

3

1

Substructure walls

3

1

Caissons

3

1

Beams and reinforced walls

4

1

Building columns

4

1

Pavements and slabs

3

1

Mass concrete

2

1

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